74HC245BQ,115

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level shifting and signal buffering
• Characteristics: High-speed CMOS technology, low power consumption, wide voltage range
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Octal bus transceiver with 3-state outputs
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +125°C
• Input Capacitance: 3.5 pF
• Output Capacitance: 6 pF
• Propagation Delay Time: 10 ns
• Maximum Quiescent Current: 8 µA

Detailed Pin Configuration

The 74HC245BQ,115 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Output enable input
2. A1 - Data input/output
3. B1 - Data input/output
4. A2 - Data input/output
5. B2 - Data input/output
6. A3 - Data input/output
7. B3 - Data input/output
8. A4 - Data input/output
9. B4 - Data input/output
10. GND (Ground) - Ground reference
11. B5 - Data input/output
12. A5 - Data input/output
13. B6 - Data input/output
14. A6 - Data input/output
15. B7 - Data input/output
16. A7 - Data input/output
17. B8 - Data input/output
18. A8 - Data input/output
19. VCC - Positive supply voltage
20. DIR (Direction) - Direction control input

Functional Features

• Octal bidirectional bus interface
• 3-state outputs for bus-oriented applications
• Non-inverting data path for easy interfacing with different logic families
• High-speed operation suitable for high-frequency systems
• Low power consumption for energy-efficient designs
• Wide voltage range allows compatibility with various voltage levels

Advantages and Disadvantages

Advantages: - Provides level shifting and signal buffering capabilities - Supports bidirectional data transfer - Allows multiple devices to share a common bus - High-speed operation enables efficient data transmission

Disadvantages: - Limited number of input/output pins (8 in total) - Requires additional control signals for direction and output enable

Working Principles

The 74HC245BQ,115 is an octal bus transceiver that facilitates bidirectional data transfer between two buses. It operates by controlling the direction of data flow using the DIR pin. When DIR is set to a specific logic level, the corresponding data inputs (A1-A8 or B1-B8) are connected to the respective data outputs (B1-B8 or A1-A8). The OE pin is used to enable or disable the outputs, allowing the device to be placed in a high-impedance state when not actively driving the bus.

Detailed Application Field Plans

The 74HC245BQ,115 can be used in various applications, including: 1. Microcontroller interfacing 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Networking equipment 6. Test and measurement instruments

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC245BQ,115 include: - SN74LVC245A - CD74HCT245 - MC74HCT245A - 74ACT245

These alternative models can be considered based on specific requirements such as voltage range, speed, and package type.

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